.page-contact {
  overflow-x: clip;
  --pc-line: 1px solid var(--hairline);
  --pc-line-light: 1px solid var(--hairline-light);
  --pc-soft-text: rgba(245, 241, 232, 0.76);
}

/* 面包屑 */
.page-contact .contact-crumb {
  padding-block: clamp(0.9rem, 2.5vw, 1.5rem);
}

/* 首屏联络台 */
.page-contact .contact-hero__grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  align-items: start;
}

.page-contact .contact-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 6.2vw, 4.25rem);
  line-height: 1.03;
  letter-spacing: -0.015em;
  margin: 0.65rem 0 1rem;
  color: var(--ink);
}

.page-contact .contact-hero__lede {
  max-width: 56ch;
  color: var(--ink);
}

.page-contact .contact-quick {
  list-style: none;
  margin: clamp(1.5rem, 3vw, 2rem) 0 0;
  padding: 0;
}

.page-contact .contact-quick__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.35rem 1rem;
  padding: 0.85rem 0;
  border-top: var(--pc-line);
}

.page-contact .contact-quick__row:last-of-type {
  border-bottom: var(--pc-line);
}

.page-contact .contact-quick__key {
  flex: 0 0 auto;
  min-width: 5.5rem;
  font-size: var(--fs-label);
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--ridge);
}

.page-contact .contact-quick__val {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.02rem, 2.6vw, 1.45rem);
  line-height: 1.35;
  color: var(--ink);
  word-break: break-word;
}

.page-contact .selectable {
  user-select: all;
  cursor: copy;
  padding: 0 0.1em;
  transition: background 0.18s ease, box-shadow 0.18s ease;
}

.page-contact .selectable:hover,
.page-contact .selectable:focus {
  background: var(--yellow);
  box-shadow: 0 0 0 0.18em var(--yellow);
}

.page-contact .contact-quick__note {
  margin: 1rem 0 0;
  font-size: var(--fs-sm);
  line-height: 1.7;
  color: var(--ridge);
  max-width: 46ch;
}

.page-contact .contact-hero__media {
  margin: 0;
  border-left: 6px solid var(--milan-red);
  align-self: start;
}

/* 章节头 */
.page-contact .contact-head {
  max-width: 46rem;
  margin-bottom: clamp(1.5rem, 3vw, 2.25rem);
}

.page-contact .contact-head__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--fs-h2);
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin: 0.5rem 0 0.75rem;
  color: var(--bone);
}

.page-contact .contact-head__text {
  margin: 0;
  color: var(--pc-soft-text);
  line-height: 1.75;
}

.page-contact .eyebrow--light {
  color: var(--yellow);
}

/* 反馈分类切换 */
.page-contact .router {
  position: relative;
}

.page-contact .router__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.page-contact .router__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0 0 clamp(1.25rem, 3vw, 1.75rem);
}

.page-contact .router__tab {
  display: inline-flex;
  align-items: center;
  cursor: pointer;
  padding: 0.62rem 1rem;
  border: var(--pc-line-light);
  border-radius: var(--radius);
  background: rgba(245, 241, 232, 0.05);
  color: var(--bone);
  font-size: var(--fs-sm);
  font-weight: 700;
  letter-spacing: 0.05em;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.page-contact .router__tab:hover {
  background: rgba(245, 241, 232, 0.13);
}

.page-contact #topic-data:checked ~ .router__tabs label[for="topic-data"],
.page-contact #topic-app:checked ~ .router__tabs label[for="topic-app"],
.page-contact #topic-live:checked ~ .router__tabs label[for="topic-live"],
.page-contact #topic-partner:checked ~ .router__tabs label[for="topic-partner"] {
  background: var(--bone);
  border-color: var(--bone);
  color: var(--ink);
}

.page-contact #topic-data:focus-visible ~ .router__tabs label[for="topic-data"],
.page-contact #topic-app:focus-visible ~ .router__tabs label[for="topic-app"],
.page-contact #topic-live:focus-visible ~ .router__tabs label[for="topic-live"],
.page-contact #topic-partner:focus-visible ~ .router__tabs label[for="topic-partner"] {
  outline: 2px solid var(--sky);
  outline-offset: 2px;
}

.page-contact .router__panel {
  display: none;
}

.page-contact #topic-data:checked ~ .router__panels .router__panel--data,
.page-contact #topic-app:checked ~ .router__panels .router__panel--app,
.page-contact #topic-live:checked ~ .router__panels .router__panel--live,
.page-contact #topic-partner:checked ~ .router__panels .router__panel--partner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.15rem;
  padding: clamp(1.2rem, 3vw, 2rem);
  background: rgba(245, 241, 232, 0.06);
  border-left: 4px solid var(--sky);
  border-radius: var(--radius);
}

.page-contact .router__panel-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--fs-h3);
  line-height: 1.2;
  margin: 0 0 0.6rem;
  color: var(--bone);
}

.page-contact .router__panel-text {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.78;
  color: var(--pc-soft-text);
}

.page-contact .router__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
  align-content: start;
}

.page-contact .router__item {
  position: relative;
  padding-left: 1.15rem;
  font-size: var(--fs-sm);
  line-height: 1.65;
  color: rgba(245, 241, 232, 0.86);
}

.page-contact .router__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 0.42rem;
  height: 0.42rem;
  background: var(--teal);
}

/* 合作咨询 */
.page-contact .contact-partner__grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  align-items: start;
}

.page-contact .contact-partner__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--fs-h2);
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 0.5rem 0 0.85rem;
  color: var(--ink);
}

.page-contact .contact-partner__text {
  margin: 0;
  color: var(--ink);
  line-height: 1.8;
  max-width: 58ch;
}

.page-contact .partner-list {
  list-style: none;
  margin: clamp(1.25rem, 3vw, 1.75rem) 0 0;
  padding: 0;
}

.page-contact .partner-list__item {
  display: flex;
  align-items: baseline;
  gap: 0.9rem;
  padding: 0.8rem 0;
  border-top: var(--pc-line);
}

.page-contact .partner-list__item:last-child {
  border-bottom: var(--pc-line);
}

.page-contact .partner-list__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.4rem, 3.4vw, 2rem);
  line-height: 1;
  min-width: 2.4ch;
  color: var(--milan-red);
  font-variant-numeric: tabular-nums;
}

.page-contact .partner-list__label {
  font-size: var(--fs-sm);
  line-height: 1.6;
  color: var(--ridge);
}

.page-contact .partner-card {
  background: var(--paper-white);
  border: var(--pc-line);
  border-top: 5px solid var(--milan-red);
  border-radius: var(--radius);
  padding: clamp(1.2rem, 3vw, 1.9rem);
  box-shadow: 0 18px 34px -26px rgba(16, 17, 20, 0.6);
}

.page-contact .partner-card__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--fs-h3);
  line-height: 1.25;
  margin: 0 0 0.9rem;
  color: var(--ink);
}

.page-contact .partner-card__row {
  display: grid;
  gap: 0.2rem;
  padding: 0.68rem 0;
  border-top: 1px dashed var(--hairline);
}

.page-contact .partner-card__key {
  font-size: var(--fs-label);
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--ridge);
}

.page-contact .partner-card__val {
  font-size: var(--fs-sm);
  line-height: 1.65;
  color: var(--ink);
  word-break: break-word;
}

.page-contact .partner-card__note {
  margin: 1rem 0 0;
  padding-top: 0.8rem;
  border-top: var(--pc-line);
  font-size: var(--fs-sm);
  line-height: 1.7;
  color: var(--ridge);
}

/* 通信地址 */
.page-contact .contact-address__grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.75rem);
  align-items: center;
}

.page-contact .contact-address__media {
  margin: 0;
  border-bottom: 6px solid var(--milan-red);
}

.page-contact .contact-address__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--fs-h2);
  line-height: 1.1;
  margin: 0.5rem 0 0;
  color: var(--bone);
}

.page-contact .address-line {
  margin: 1rem 0 1.2rem;
  padding: 0.95rem 1.1rem;
  border-left: 4px solid var(--yellow);
  background: rgba(245, 241, 232, 0.07);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(0.98rem, 2.2vw, 1.2rem);
  line-height: 1.5;
  color: var(--bone);
}

.page-contact .contact-address__text {
  margin: 0 0 0.9rem;
  font-size: var(--fs-sm);
  line-height: 1.8;
  color: var(--pc-soft-text);
}

.page-contact .contact-address__text:last-child {
  margin-bottom: 0;
}

/* 发出前检查 */
.page-contact .contact-send__grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 2.5rem);
  align-items: start;
}

.page-contact .contact-send__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--fs-h2);
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 0.5rem 0 0;
  color: var(--ink);
}

.page-contact .checklist {
  list-style: none;
  margin: clamp(1rem, 3vw, 1.5rem) 0 0;
  padding: 0;
  border-top: var(--pc-line);
}

.page-contact .checklist__item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.85rem 0;
  border-bottom: var(--pc-line);
}

.page-contact .checklist__box {
  flex: 0 0 auto;
  width: 1.15rem;
  height: 1.15rem;
  margin-top: 0.28rem;
  accent-color: var(--teal);
  cursor: pointer;
}

.page-contact .checklist__label {
  font-size: var(--fs-sm);
  line-height: 1.68;
  color: var(--ink);
  cursor: pointer;
  transition: color 0.2s ease;
}

.page-contact .checklist__box:checked + .checklist__label {
  color: var(--ridge);
}

.page-contact .contact-send__hint {
  margin: 0.9rem 0 0;
  font-size: var(--fs-label);
  letter-spacing: 0.04em;
  color: var(--ridge);
}

.page-contact .contact-send__aside {
  display: grid;
  gap: clamp(1rem, 2.5vw, 1.35rem);
}

.page-contact .privacy-card {
  background: var(--night);
  color: var(--bone);
  padding: clamp(1.2rem, 3vw, 1.75rem);
  border-radius: var(--radius);
  border-bottom: 5px solid var(--milan-red);
}

.page-contact .privacy-card__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--fs-h3);
  line-height: 1.3;
  margin: 0.9rem 0 0.65rem;
  color: var(--bone);
}

.page-contact .privacy-card p {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.78;
  color: var(--pc-soft-text);
}

.page-contact .privacy-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1.05rem;
}

.page-contact .quick-links {
  background: var(--paper-white);
  border: var(--pc-line);
  border-radius: var(--radius);
  padding: clamp(1rem, 2.5vw, 1.35rem);
}

.page-contact .quick-links__title {
  margin: 0 0 0.7rem;
  font-size: var(--fs-label);
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--ridge);
}

.page-contact .quick-links__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.15rem;
}

.page-contact .quick-links__link {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.2rem 1rem;
  padding: 0.6rem 0;
  border-top: var(--pc-line);
  color: var(--ink);
  text-decoration: none;
  font-size: var(--fs-sm);
  font-weight: 700;
  transition: color 0.18s ease;
}

.page-contact .quick-links__link:hover,
.page-contact .quick-links__link:focus-visible {
  color: var(--milan-red);
}

.page-contact .quick-links__hint {
  font-weight: 400;
  font-size: var(--fs-label);
  letter-spacing: 0.02em;
  color: var(--ridge);
}

/* 桌面布局 */
@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: clamp(2rem, 4vw, 4rem);
  }

  .page-contact .router__panel {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  }

  .page-contact #topic-data:checked ~ .router__panels .router__panel--data,
  .page-contact #topic-app:checked ~ .router__panels .router__panel--app,
  .page-contact #topic-live:checked ~ .router__panels .router__panel--live,
  .page-contact #topic-partner:checked ~ .router__panels .router__panel--partner {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 1.25rem clamp(1.5rem, 3vw, 2.5rem);
    align-items: start;
  }

  .page-contact .contact-partner__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  }

  .page-contact .contact-address__grid {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  }

  .page-contact .contact-send__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }
}

@media (min-width: 1120px) {
  .page-contact .contact-hero__lede {
    font-size: 1.0625rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .selectable,
  .page-contact .router__tab,
  .page-contact .checklist__label,
  .page-contact .quick-links__link {
    transition: none;
  }
}
<<<END>>>